Subject: RE: [mobile-ip] comments on mobileip-vpn-problem-statement-req

From: "Jayant Shukla" <[email-masked]>
Date: Tue, 3 Sep 2002 08:09:47 -0700

> -----Original Message-----
> From: [email-masked] [mailto:owner-mobile-
> [email-masked]] On Behalf Of Behcet Sarikaya
> 2. In Section 4.1 on p.9 the draft states
> It is important to note that the mobile node connecting to the
> home network is forced to establish an IPsec tunnel SA to the
> VPN gateway first.
> 

Establishing an IPsec tunnel to the VPN gateway will ruin the
performance. 

> This means that handover occurs first for VPN, which I think, defeats
> the purpose of MIP.
> What do you think?
> 

I agree. There is no point in mobile IP VPN trying to
duplicate/substitute what mobile IP does.

This problem was a consideration for us in developing VPN and NAT
compatibility solution. If someone in So Cal is interested in testing
our VPN on their mobile IP setup, please contact me. 

Regards,
Jayant
www.trlokom.com